2009 Audi A8 vs. 2002 Audi A4
To start off, 2009 Audi A8 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (256 HP) has 88 more horse power than 2002 Audi A4. (168 HP). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2002 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A4 weights approximately 400 kg more than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Audi A8 (330 Nm @ 3250 RPM) has 20 more torque (in Nm) than 2002 Audi A4. (310 Nm @ 1400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A4. 2009 Audi A8 has automatic transmission and 2002 Audi A4 has manual transmission. 2002 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2002 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2009 | 2002 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2391 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 256 HP | 168 HP |
| Torque | 330 Nm | 310 Nm |
| Torque RPM | 3250 RPM | 1400 RPM |
| Engine Compression Ratio | 13.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 225 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 9.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1560 kg |
| Vehicle Length | 5060 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2770 mm |
| Fuel Consumption Overall | 11 L/100km | 7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
